Snigdha Gopal Krishna Sahu
Fremont
Summary
A Data Engineer with 6+ years of experience in specializing in Data Warehousing, ETL development, Data Integration and Data Visualization using Informatica PowerCenter, SSMS, SQL Server, Oracle (11g/10g), Netezza, PL/SQL, Tableau, and Python with some experience in Azure. Skilled in all phases of the Data Warehouse Life Cycle, with a strong focus on data reliability, performance optimization, and automation. Adept at analytics, data visualization, technical writing, and process documentation, bringing a detail-oriented, adaptable, and team-driven approach to delivering efficient, customer-focused solutions.
Overview
9
9
years of professional experience
Work History
Database Programmer Analyst
Astek Solutions Inc, Client: Carelon Health
10.2021 - Current
- Developed and optimized data pipelines, improving efficiency by 25%.
- Automated patient-provider assignment process, increasing accuracy from 43% to 92%.
- Led end-to-end deployment including requirement gathering, ETL package creation, and unit testing.
- Provided production support, troubleshooting failures, and enhancing system performance.
- Leading data migration to cloud platforms (Azure/Snowflake), optimizing performance and scalability.
- Building automated data pipelines using Python to streamline ETL processes and ensure data reliability.
- Designed and developed Tableau dashboards to visualize business-critical data, enabling stakeholders to track performance trends.
Database Analyst
Tekdynamics Inc, Client: Carelon Health
05.2020 - 09.2021
- Extensively worked on Data extraction, Transformation and Loading data from various sources like SQL Server and Flat files (.txt, .dat, .csv). Worked on SCD type I & Type II.
- Worked on SQL query optimization to reduce cost overheads.
- Designed and developed interactive Tableau dashboards to visualize key business metrics, improving data-driven decision-making.
- Automated data extraction and transformation processes to seamlessly integrate Tableau with SQL databases.
- Conducted UAT (User Acceptance Testing) for dashboards, ensuring they met business requirements and provided actionable insights.
Data Engineer
IBM
09.2015 - 08.2017
- Developed and optimized data pipelines for Asset Liability Management.
- Fine-tuned query performance and optimized database structures for faster, more accurate data retrieval and reporting.
- Streamlined complex workflows by breaking them down into manageable components for easier implementation and maintenance that improved the efficiency by 33%.
- Provided on-call production support for 15K+ jobs
- Designed scalable and maintainable data models to support business intelligence initiatives and reporting needs.
- Collaborated with cross-functional teams for seamless integration of data sources into the company''s data ecosystem.
Education
Master of Science - Computer Science
California State University, East Bay
Hayward, CA12-2019
Skills
- Data Warehousing
- ETL tools (SSIS, Informatica PowerCenter)
- SQL & PL/SQL (Oracle, Netezza, SQL Server, MySQL)
- Python Programming
- Azure Aspirant
- Data Modeling
- Data Visualization using SSRS & Tableau
- Verbal and written communication
- Agile methodology
- Problem-solving
- Effective communication
- Adaptability and flexibility
- Analytical thinking
Timeline
Database Programmer Analyst
Astek Solutions Inc, Client: Carelon Health
10.2021 - Current
Database Analyst
Tekdynamics Inc, Client: Carelon Health
05.2020 - 09.2021
Data Engineer
IBM
09.2015 - 08.2017
Master of Science - Computer Science
California State University, East Bay
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